us oilspills intidal waten^,ays,especially inHuangpu RiVer,is presented.In thet、Ⅳo—dimensionalmodel,b邪ed on particleappI.oach,the oilslickisdiVided into anumber ofsmall grids and tracked indiVidually.As a short.tem forecaSting ofthe仃ack oftheoilslick on t11ewater surf.ace,、ve consider each grid is drivenbysuTrfke wa_tercurrem,turbulent difrusion following arandom walktechllique柏d surfke spreading following Fay’sspreading modeI. Simulation shows moVement propenies are in agreement with themodel bined with drawing soRware,the model can predict welIthevariation of theshape,the movement mIe and en’ectivescope ofthe oilslick.The results can provide visualized andscientificref.erencesforthetr乏lck0ftheoilslickinthetidalwa_tenvays. Key words:Tidal riVer,Panicle印proach,The trackofthe oilslick .959.
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